IT8920508A0 - Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline. - Google Patents
Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline.Info
- Publication number
- IT8920508A0 IT8920508A0 IT8920508A IT2050889A IT8920508A0 IT 8920508 A0 IT8920508 A0 IT 8920508A0 IT 8920508 A IT8920508 A IT 8920508A IT 2050889 A IT2050889 A IT 2050889A IT 8920508 A0 IT8920508 A0 IT 8920508A0
- Authority
- IT
- Italy
- Prior art keywords
- slotline
- octave
- microstrip
- degree
- directional coupler
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
- H01P5/184—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being strip lines or microstrips
- H01P5/185—Edge coupled lines
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8920508A IT1229726B (it) | 1989-05-15 | 1989-05-15 | Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline. |
EP19900201164 EP0398419A3 (en) | 1989-05-15 | 1990-05-08 | One-octave 90 degrees 3db directional coupler embodied in microstrip and slotline |
AU54986/90A AU5498690A (en) | 1989-05-15 | 1990-05-11 | One-octave 90 degrees 3db directional coupler embodied in microstrip and slotline |
NO90902108A NO902108L (no) | 1989-05-15 | 1990-05-11 | Retningskobler for 900 og 3db av en-oktavtype. |
ZA903701A ZA903701B (en) | 1989-05-15 | 1990-05-15 | One-octave 90 degrees 3db directional coupler embodied in microstrip and slotline form |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8920508A IT1229726B (it) | 1989-05-15 | 1989-05-15 | Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8920508A0 true IT8920508A0 (it) | 1989-05-15 |
IT1229726B IT1229726B (it) | 1991-09-07 |
Family
ID=11167995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8920508A IT1229726B (it) | 1989-05-15 | 1989-05-15 | Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0398419A3 (it) |
AU (1) | AU5498690A (it) |
IT (1) | IT1229726B (it) |
NO (1) | NO902108L (it) |
ZA (1) | ZA903701B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4983933A (en) * | 1989-10-05 | 1991-01-08 | Sedco Systems Inc. | Waveguide-to-stripline directional coupler |
IT1251221B (it) * | 1991-07-11 | 1995-05-04 | Sits Soc It Telecom Siemens | Accoppiatore direzionale di tipo ibrido e microonde a costanti concentrate con uscite in quadratura. |
US5304959A (en) * | 1992-10-16 | 1994-04-19 | Spectrian, Inc. | Planar microstrip balun |
JP2651336B2 (ja) * | 1993-06-07 | 1997-09-10 | 株式会社エイ・ティ・アール光電波通信研究所 | 方向性結合器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD135016A1 (de) * | 1978-03-16 | 1979-04-04 | Aribert Scheffel | Streifenleitungsrichtungskoppler geringer koppeldaempfung |
SU1195403A1 (ru) * | 1984-06-28 | 1985-11-30 | Предприятие П/Я Г-4273 | Направленный ответвитель |
-
1989
- 1989-05-15 IT IT8920508A patent/IT1229726B/it active
-
1990
- 1990-05-08 EP EP19900201164 patent/EP0398419A3/en not_active Withdrawn
- 1990-05-11 NO NO90902108A patent/NO902108L/no unknown
- 1990-05-11 AU AU54986/90A patent/AU5498690A/en not_active Abandoned
- 1990-05-15 ZA ZA903701A patent/ZA903701B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
IT1229726B (it) | 1991-09-07 |
ZA903701B (en) | 1991-02-27 |
NO902108D0 (no) | 1990-05-11 |
NO902108L (no) | 1990-11-16 |
AU5498690A (en) | 1990-11-15 |
EP0398419A2 (en) | 1990-11-22 |
EP0398419A3 (en) | 1992-01-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE68919323D1 (de) | Mikrostreifenantenne. | |
NO901936L (no) | Baereboelgeuavhengige netttjenester. | |
ITMI911607A1 (it) | Sistema per realizzare accoppiatori a microonde con direttivita' ed adattamento massimi, e relativi accoppiatori in microstriscia. | |
FI901988A0 (fi) | Koncentrerad, glutaraldehyd och 1,2-benzisotiazolin-3-on innehaollande, vattenhaltig loesning och dess anvaendning. | |
FI903532A0 (fi) | Kombination av 2-(tiocyanometyltio) benzotiazol och trihalogeniserad fenol. | |
FI901201A0 (fi) | Antibakteriella 5-substituerade 1,4-dihydro-4-oxonaftyridin-3-karboxylatderivat och deras framstaellning. | |
IT8720231A0 (it) | Accoppiatore direzionale da 3 db. | |
NO903169L (no) | 4,1,2-1h-benzoksadiaziner og deres fremstilling. | |
FI891971A0 (fi) | I baogform boejbar takskiva och foerfarande foer dess framstaellning. | |
IT8920508A0 (it) | Accoppiatore direzionale a 3 db, 90 gradi, un'ottava, realizzato in microstriscia e slotline. | |
NO914325L (no) | Sjiktformet blandet metallhydrosksyd, og fremstilling i ikke-vandig medium | |
SE8902727D0 (sv) | Balk | |
IT8919523A0 (it) | Nuovi 4 demetil 4 0 (p fluorobenzensolfonil) glicosidi antraiclinonici. | |
FI892281A (fi) | 3-pyrrolidinyltio-1-azabicyklo/3.2.0/ hept-2-en-2-karboxylsyraderivat och deras framstaellning. | |
FI850405A0 (fi) | /(1,3-dioxo-1,3-propandiyl)di-imino/ bisbenzoesyraderivat och deras anvaendning. | |
DE68916516T2 (de) | Triplate-Streifenleitung. | |
RU1808895C (ru) | Напорна сортировка | |
NO901052D0 (no) | 1h-pyrazol-1-acetamider og fremstilling derav. | |
IT1239741B (it) | Coloranti a dispersione disazo-piridonici e procedimento di preparazione. (caso 150-5299) | |
NO903752D0 (no) | Vannloeselige 1,2-dithio-3-tioner. | |
NO894216D0 (no) | Sirkellinjal inndelt i 100 grader. | |
NO891578L (no) | Tankskip og fremgangsmaate ved tilveiebringelse av et tankskip. | |
FI893627A (fi) | Orienterad fiberstruktur foer vulkanisering och foerfarande foer framstaellning daerav. | |
IT8909504V0 (it) | Rock and roll (music time). | |
MA21271A1 (fr) | Robinet d'arret. |